Block 1 Review

Question 1

Non ionizing radiation doesnt….

Answer 1

Have enough energy to move electrons, example: microwave

Question 2

Example of written directive versus not.

Answer 2

Written- therapies
Not- tc99m tests

Question 3

4 types of ionizing radiation

Answer 3

Alpha
Beta
Gamma
X rays

33 energy

Question 4

Natural vs man made radiation

Answer 4

Natural- radon, potassium
Man made- TV, smoke detector

Question 5

Characteristic xray

Answer 5

Emitted from heavy elements when their electrons make transitions from a higher energy level to a lower one

Question 6

Bremsstrahlung x-rays

Answer 6

Emitted when an accelerated electron is decelerated when they are fired at a metal target

Question 7

Four federal agencies

Answer 7

NRC, FDA, DOT, EPA

Question 8

TJC The joint commission is over,

Answer 8

Standards for safety

Question 9

Dose rate formula

Answer 9

D2= D1 (d1^2/d2^2)

Question 10

NRC

Answer 10

Title 10 cfr
Powerplants and medical facilities

Question 11

10 CFR 20

Answer 11

Dose limits

Question 12

DOT

Answer 12

Regulates packaging and transport of hazardous material
49 car parts 171-178

Question 13

Remember TDS

Answer 13

Time distance shielding

Question 14

FDA

Answer 14

Regulates design and production of radiation emitting devices
Title 21 cfr

Question 15

Leak tests are done every

Answer 15

6 months

Question 16

49 cfr is

Answer 16

Transportation

Question 17

EPA

Answer 17

Disposal of radioactivity
Title 40 cfr

Question 18

FDA

Answer 18

Manufacturing and approval of drugs, etc

Question 19

Rad area labeling:

Answer 19

Dose rate >5rem 1 hr radiation area
Dose rate >100rem 1 hr high Rad area
Dose rate >500rem 1 hr very high Rad area
Area where concentrations could exceed DAC, derived air concentration something

Question 20

Three types of licenses

Answer 20

General
Specific license of limited scope
Specific license of broad scope

Question 21

10 cfr 19

Answer 21

General worker training

Question 22

10 cfr 35

Answer 22

Licensing byproduct

Question 23

10 cfr 32

Answer 23

Licensing distribution

Question 24

Our measurements are in

Answer 24

J, and eV

Question 25

Examples of different licenses

Answer 25

General- smoke detector Broad- medical- ABC Limited- under license

Question 26

Unrestricted area

Answer 26

2mrem/hr

Question 27

Written directives contain

Answer 27

Date and signature Patient name Radiopharm Dosage Route of admin

Question 28

TEDE TODE DDE SDE LDE

Answer 28

Total effective dose equivalent Total organ dose equivalent Deep dose equivalent Shallow dose equivalent Lens eye dose equivalent

Question 29

Type of electromagnetic radiation that is created when the nucleus de-excites as opposed to the atom de-exciting

Answer 29

Gamma rays

Question 30

Radiation emission that competed with gamma ray emissions for an excited nucleus

Answer 30

Conversion electron emission

Question 31

Occupational dose limits

Answer 31

TEDE <5REM TODE <50REM LED <15REM SDE <50 REM

Question 32

DDE+ Internal dose to fetus

Answer 32

<0.5 rem 0.005 Sv

Question 33

Move decimal 2 to left for rem to Sv

Question 34

ALI

Answer 34

Annual limit on intake is a derived limit for the amount of radioactive material taken into the body of an adult worker by inhalation, etc

Question 35

DAC

Answer 35

Derived air concentration means the concentration of a given radionuclide in air

Question 36

Dose for a min exposure

Answer 36

0.17 mrem

Question 37

Dose for a 2 min exposure

Answer 37

0.33 mrem

Question 38

Pregnancy workers are allowed ___rem additional after declaration

Answer 38

50

Question 39

Amount of tc99m that requires a license to post a work area/room sign bearing Caution, Radioactive material? 10 cfr 20

Answer 39

Tc99m > 10mCi

Question 40

A person is considered a radiation work if their whole body dose will exceed

Answer 40

100 mrem

Question 41

10 cfr part 20

Answer 41

Basic radiation protection for workers

Question 42

Who is responsible for preparing written directives

Answer 42

Authorized user

Question 43

If you fail a leak test, report within

Answer 43

5 days

Question 44

A radionuclide that is a pure beta emitter is best suited for what type of radiation in nuclear medicine

Answer 44

Therapeutic studies

Question 45

Alpha radiation

Answer 45

Positively charged particle consisting of two protons and two neutrons

Question 46

Beta radiation

Answer 46

High energy electrons, carrying a negative charge

Question 47

Positron radiation

Answer 47

Positive electron

Question 48

Gamma radiation

Answer 48

Higher energy photons, the most energetic

Question 49

X rays

Answer 49

A relatively high energy photon

Question 50

Which of the following is not true regarding electromagnetic radiation

Answer 50

Has mass proportional to wavelength

Question 51

Which type of electromagnetic radiation is produces when high energy electrons slam into a z target material

Answer 51

Bremmstrahlaung xrays

Question 52

Which type of electromagnetic radiation will be created whenever positions are present

Answer 52

Annihilation photons 511 kev